2.1 amp

ZK-MT21 2x50W+100W 2.1 Channel Subwoofer Digital Power Amplifier Board AUX 12V 24V Audio Stereo Bluetooth 5.0 Bass Amp for Home

MT21 2.1-Channel BT AUX Digit Audio Power Amplifier Module High Power Sound Amp Suitable for

Car Bluetooth 2.1 HiFi Bass Power AMP Digital Car Amplifier Radio Audio Amplifier USB TF Remote Cont

1Pc Zk-Mt21 2X50W+100W 2.1 Channel Bluetooth 5.0 Subwoofer Digital Bass Amp

Bluetooth Amplifier Board 2.1 Channel 50W 50W 100W Wireless Subwoofer Amp Module with Treble Bass

Practical Laptop Adapter Tips Universal Jack Dc 5.5 Mm X 2.1 Mm Connectors Charger Converter

Digital Amplifier Board Shell Replacement Acrylic HiFi Amp Board Case for TPA3116 2.1

ZK-MT21 Channel Bluetooth 5.0 CS8673E 2.1 Subwoofer Amplifier Board 50W*2 +100W Power Audio Stereo Amplifier Board Bass AMP AUX